Home / 1,141,157.80-1,711,735.08-342,438.04

Finding the Fourth Proportional to 1,141,157.80, 1,711,735.08 and 342,438.04

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Solution

The fourth proportional to 1,141,157.80, 1,711,735.08 and 342,438.04 is: 513,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,157.80 : 1,711,735.08 = 342,438.04 : x
  2. Step 2: Convert to fraction form
    1,141,157.80/1,711,735.08 = 342,438.04/x
  3. Step 3: Cross multiply
    1,141,157.80x = 1,711,735.08 × 342,438.04
  4. Step 4: Simplify right side
    1,141,157.80x = 586,163,205,794.44
  5. Step 5: Solve for x
    x = 586,163,205,794.44/1,141,157.80
  6. Step 6: Final answer
    x = 513,656.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.